The following links and resources are for you if you need to find more information on programming with Linux, web development, LAMP, and so on.
http://www.apache.org The Apache Software Foundation umbrella site. Access all Apache projects from here.
http://httpd.apache.org The place to start for information on the Apache Web Server. News, downloads, FAQs. Check the Docs subproject for a PDF user's guide.
http://modules.apache.org The Apache Module Registry. Locate modules to install, and contribute modules you've created.
http://www.apachetoday.com A little cluttered and ad ridden, but ServerWatch's Apache Today site is still an excellent source of Apache news and tutorials.
http://tldp.org/HOWTO/HOWTO-INDEX/apps.html#SERVERHTTP An index of web-server related HOWTOs. Mostly dealing with Apache, but a few others, too.
http://susefaq.sourceforge.net/faq/apache.html The Unofficial SUSE FAQ list includes useful SUSE-specific Apache information.
http://news.netcraft.com/archives/web_server_survey.html The monthly Netcraft survey of popular web servers. As this is being written, nearly 70 percent of the Web runs on Apache.
http://modpython.org Home of the mod_python Apache module.
http://modruby.net The mod_ruby page.
http://www.acme.com/software/thttpd Home of thttpd.
https://helix-server.helixcommunity.org The open-source streaming media server.
http://www.zope.org All the latest and greatest from the Zope community.
http://gcc.gnu.org Home of the GNU Compiler Collection.
http://gcc.gnu.org/gcc-4.0/changes.html What's new in GCC 4.0.
http://www.gnu.org/software/autoconf The Autoconf configuration utility.
http://gcc.gnu.org/java GCC's Java compiler, GCJ.
http://subversion.tigris.org The very well-designed Subversion site.
http://svnbook.red-bean.com/en/1.0 The online book Version Control with Subversion.
https://www.cvshome.org The CVS site, secure and also well organized.
http://www.linux.ie/articles/tutorials/cvs.php A somewhat cheeky CVS tutorial.
http://eclipse.org The hub of the Eclipse community. Everything you need to get going and stay going.
http://www.eclipseplugincentral.com The place to find your needed Eclipse plug-ins, with news, too.
http://www.kdevelop.org News, forums, documentation, and a real-time chart indicating the number of downloads per hour of this IDE.
http://anjuta.sourceforge.net The GNOME/GTK+ IDE.
http://www.digitalfanatics.org/projects/qt_tutorial Tutorial for C++ developers to learn Qt.
http://doc.trolltech.com/3.3 The official reference documentation for the current version of Qt.
http://www.rpm.org Home for information on the Red Hat Package Management system. The site includes an online version of Ed Bailey's 2000 book, Maximum RPM.
http://www.mysql.com/ MySQL database home page. The World's Most Popular Open Source Database. The software's official home page with news, downloads, and documentation.
http://dev.mysql.com/doc/ MySQL database home page's documentation repository. If you want to learn more about MySQL, visit the documentation center.
http://www.postgresql.org/ PostgreSQL database home pages. PostgreSQL is one of the world's most advanced open-source database supporting almost all SQL constructs, including subselects, transactions, user-defined types, and so on.
http://www.postgresql.org/docs/ PostgreSQL database home pages documentation repository. There is a wealth of PostgreSQL information available online and it can be found here to start with. This section of the website contains current and archived manuals for PostgreSQL users and administrators.
http://www.knoda.org/ The home page to download the newest Knoda client or learn more about it.
http://www.perl.com "The Source for Perl." News, articles, blogs, and the like.
http://www.perl.org The Perl Directory. Links to the Perl universe.
http://www.cpan.org The Comprehensive Perl Archive Network. CPAN is the place to download modules and other gotta-have Perl stuff. If you write something useful, upload it here.
http://use.perl.org The Perl news center. Find out about conferences, user group meetings, and assorted fun facts.
http://learn.perl.org Where to begin with Perl online. Tutorials, book recommendations for all levels of expertise, and a beginner's mailing list.
http://www.tpj.com The Perl Journal, the monthly magazine.
http://www.pm.org PerlMongers user groups.
http://dev.perl.org/perl6 The Perl 6 hub. Get overall design information here and the latest on development of Perl 6 and the Parrot interpreter.
http://python.org The center of the Python universe. Just about everything Python links here.
http://www.pythonware.com/daily The Daily Python URL, Python news and comment from around the Web and the blogosphere.
http://www.python.org/moin/BeginnersGuide For new programmers, a Python guide.
http://docs.python.org/tut/tut.html This tutorial promises to teach you Python in an afternoon.
http://www.die-offenbachs.de/detlev/eric3.html Home for the Eric Python IDE.
http://www.pyzine.com An online Python technical journal.
http://en.wikipedia.org/wiki/Python_programming_language A long and detailed entry, and a worthy introduction to the Python language.
http://www.php.net The PHP home page.
http://www.phpbuilder.com Tutorial and news site.
http://codewalkers.com Another news site, with the occasional PHP coding contest with interesting challenges and real prizes.
http://php.resourceindex.com The PHP Resource Index. The main draw for this site is the thousands of ready-made PHP scripts, functions, and classes. You can also find links to other tutorials and the larger PHP community.
http://www.zend.com Zend Technologies, owners of the Zend scripting engine at the heart of PHP 4 and 5.
http://weberdev.com More code, tutorials, weblogs.
http://www.hotscripts.com Scripts for every webmaster's need, mostly in PHP, but also in Perl, Python, JavaScripts, and even some in C and C++. Updated constantly, this is a great place to look for something interesting.
http://phpdeveloper.org News and forums for all types of PHP coders.
http://www.thelinuxconsultancy.co.uk/phpeditors.php A filterable (by OS and license type) list of editors and IDEs that support PHP coding.
http://forums.devnetwork.net The PHP Developers Network web forums.
http://www.planet-php.net A collection of PHP-related weblogs.
http://www.viapanda.com/nvuphp.html A FAQ outlining problems with using PHP in the Nvu web-authoring application, with some workarounds.
http://phpnuke.org One of the original PHP-based content management systems.
http://www.phpbb.com phpBB, a popular PHP-based community forum system.